| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|
| 1 | | Terminal 15 | B: up to 1995_08 Ignition coils B: as of 1995_09 Fuse carrier, engine electronics |
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| 2 | | Terminal 15 | B: Connector terminal 15 |
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| 3 | | Starter signal terminal 50 | B: Starter |
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| 4 | | Diagnosis signal TXD | B: Diagnostic connector |
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| 5 | | Diagnosis signal RXD | B: Diagnostic connector |
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| 6 | | up to 1995_08 Engine oil pressure signal as of 1995_09 Terminal 15 | B: up to 1995_08 Not used B: as of 1995_09 Connector terminal 15 |
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| 7 | | up to 1995_08 Starter signal terminal 50 as of 1995_09 Terminal 30 | B: up to 1995_08 Connector, start detection B: as of 1995_09 Connector, terminal 87 |
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| 8 | | up to 1995_08 Terminal 30 as of 1995_09 Starter signal terminal 50 | B: up to 1995_08 Connector, terminal 87 B: as of 1995_09 Connector, start detection |
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| 9 | | Battery charge indicator lamp signal (terminal 61) | B: Alternator |
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| 10 | | Remote thermometer signal (positive) | B: Remote thermometer sensor |
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| 11 | | Remote thermometer signal (negative) | B: Remote thermometer sensor |
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| 12 | | Diagnosis signal TXD | B: Diagnostic connector |
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